html,body{
    width:100%;
    height:100%;
    overflow: hidden;
    font-size: 16px;
}
ul{
    padding:0;
    margin:0;
    list-style: none;
}
.top{
    width:100%;
    height: 100px;
    border:1px solid #ccc;
    position: relative;
    z-index: 999;
}
.bottom{
    width:100%;
    height:100%;
    /*background: red;*/
    position: fixed;
    left:0;
    top:0;
    padding-top: 100px;
}
.left{
    width:150px;
    height:100%;
    background: #4ce693;
    float: left;
    padding:20px 10px 0 10px;
    -webkit-box-sizing: border-box;
    -moz-box-sizing: border-box;
    box-sizing: border-box;
}
.right{
    width: auto;
    height:100%;
    margin-left: 150px;
}
.welcome{
    width:100%;
    height:20px;
    text-align: right;
    padding:0 30px;

}
.left ul li{
    cursor: pointer;
}
.left ul ul{
    display: none;
    padding-left:20px;
}
.right iframe{
    width:100%;
    height:100%;
}